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Finding the Fourth Proportional to 174,689.82, 262,136.34 and 73,480.50

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Solution

The fourth proportional to 174,689.82, 262,136.34 and 73,480.50 is: 110,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,689.82 : 262,136.34 = 73,480.50 : x
  2. Step 2: Convert to fraction form
    174,689.82/262,136.34 = 73,480.50/x
  3. Step 3: Cross multiply
    174,689.82x = 262,136.34 × 73,480.50
  4. Step 4: Simplify right side
    174,689.82x = 19,261,909,331.37
  5. Step 5: Solve for x
    x = 19,261,909,331.37/174,689.82
  6. Step 6: Final answer
    x = 110,263.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.